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Kim adds to the article — AdWeek picks top 20 Tumblr ads of the year —
Tumblr adds a new “Sponsored Trending” section (via Pando Daily)
On December 2, 2013In an attempt to accrue more sponsors, Tumblr has unveiled a new content section called “Sponsored Trending Blogs.” Today the company will begin beta testing the section with the plan of an official launch this coming January. […